rspec - 将 ruby​​ 更新到 2.7.1 后，rspec 测试抛出错误 `Bundler::GemfileError for status code 4 but Bundler::GemfileError is already registered`

Question

使用 Rails 5.2.4.3

Mac OSX Catalina 10.15.6

将 ruby​​ 更新到 2.7.1(通过 rvm)后运行 rspec spec并收到错误:

Trying to register Bundler::GemfileError for status code 4 but Bundler::GemfileError is already registered
    # /Users/----/.rvm/gems/ruby-2.7.1@xmx/gems/bundler-2.1.4/lib/bundler.rb:7:in `require_relative'
    # /Users/----/.rvm/gems/ruby-2.7.1@xmx/gems/bundler-2.1.4/lib/bundler.rb:7:in `<top (required)>'
    # ./config/boot.rb:4:in `require'
    # ./config/boot.rb:4:in `<top (required)>'
    # ./config/application.rb:1:in `require'
    # ./config/application.rb:1:in `<top (required)>'
    # ./config/environment.rb:2:in `require_relative'
    # ./config/environment.rb:2:in `<top (required)>'
    # ./spec/spec_helper.rb:18:in `require'
    # ./spec/spec_helper.rb:18:in `<top (required)>'
    # ./spec/models/activation_spec.rb:1:in `require'
    # ./spec/models/activation_spec.rb:1:in `<top (required)>

切换到全局 gemset 解决了该问题，但使用默认 gemset 继续引发错误。

卸载并重新安装 bundler 没有解决问题(确保 bundler v 2.1.4)

我可以使用 bundle exec rspec spec 运行(但想真正解决问题)

Answer 1

我发现的很多关于这个错误的讨论都很老了。然后，终于偶然发现了这个最近的 github 讨论:

https://github.com/rubygems/rubygems/issues/3551

运行以下解决了我的问题: gem update --system 3.0.8 && gem update --system注意:在不安装文档的情况下运行更新 gem update --system 3.0.8 --no-document && gem update --system --no-document